I re wired a stacker switch in the master bathroom to get it to work I installed a new weather proof box outside and ran wires openly In the wall to it and blanked it off then ran a new wire from the living room to a box outside and installed a new weather resistant tamper resistant GFCI with a in use bubble cover I removed and replaced a gfci on the side of the house with a weather resistant tamper resistant GFCI and a in use bubble cover 6month warranty